<?xml version="1.0" encoding="UTF-8"?>
 <element name="title" xmlns="http://relaxng.org/ns/structure/1.0">
   <interleave>
     <attribute name="xml:lang"/>
     <text/>
     <zeroOrMore>
       <element name="a">
         <attribute name="href"/>
         <text/>
       </element>
     </zeroOrMore>
     <text/>
     <zeroOrMore>
       <element name="b">
         <text/>
       </element>
     </zeroOrMore>
     <text/>
   </interleave>
 </element>
